My question is spread across 2 posts.
Given that a sheet of film can hold a lot of tonal information, I wonder if people have been right to describe flare-prone lenses as having less contrast.
Here I have started with a 16-bit image, added "flare", then removed it.
16-bit original
16-bit adjusted: flare added
16-bit re-adjusted: flare removed
We added flare (which pushed the low values up and compressed all the values together) and then removed it: There may be gaps in the resulting histogram, but they can't easily be detected.
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